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Bestiary & Research

Research milestones, HP visibility, weakness discovery, Slayer's Edge, and how Research prepares players for advanced combat.

World / SystemNightmare Cluster
DifficultyAdvanced
RecommendedNightmare players

Bestiary & Research

RoosterMobs tracks kills against Elite archetypes and turns repeated combat into permanent research progress.

The Bestiary is designed around a simple loop:

Fight โ†’ Research โ†’ Understand โ†’ Counter

As elemental combat expands, the information unlocked through Research will become even more valuable.

Research Milestones

Milestone Unlock Benefit
50 kills HP Visibility Reveals health information for the researched archetype
150 kills Weakness Detection Reveals the archetype's intended elemental weakness
500 kills Slayer's Edge Approximately +10% damage against that researched archetype

Weakness Research

RoosterMobs already stores the elemental counter relationships used by Weakness Detection. The full weakness/resistance damage matrix is being expanded in an upcoming RoosterMobs update.

Until that update is live, treat Bestiary weakness information as tactical research and preparation, not a guarantee that every displayed weakness is already applying the configured 1.5ร— damage multiplier.

Why Research Matters

Research rewards players for learning the enemies they repeatedly hunt. High Research ranks can provide:

  • faster identification of dangerous targets
  • visible HP information
  • knowledge of elemental counters
  • permanent archetype-specific combat bonuses
  • better preparation for high-tier Elite encounters
Long-Term Progression

Mastery improves your character broadly. Research improves your knowledge and effectiveness against specific Elite archetypes. Both systems matter as Nightmare difficulty increases.

Last updated August 21, 2026